201040 - 4.0mm Rolled Steel Bit

Total length - 75.0mm Flute length - 43.0mm Point cut - helical cut Point angle - 118 deg Surface - black, steam tempered High performance rolled twist drill consisting of heavy-duty high speed steel. The material is strengthened by the rolled production process and is more resistant to fracture. Application areas - for steel, alloyed and unalloyedcast iron (up to a strength of 900 N/mm2), grey, malleable, ductile and die-cast iron, sintered iron, nickel silver, graphite, short chipping aluminium alloys, brass and bronze.